公开(公告)号：US11949253B2

公开(公告)日：2024-04-02

申请号：US17578712

申请日：2022-01-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyungkoo Chung ,  Kihyun Kim ,  Dongzo Kim ,  Jihye Kim ,  Yunjeong Noh ,  Keyic Son ,  Taehyeon Yu ,  Kyungmin Lee ,  Mincheol Ha

IPC: H02J50/80 ,  H02J50/10 ,  H02J50/40 ,  H02J50/90

CPC classification number: H02J50/80 ,  H02J50/10 ,  H02J50/402 ,  H02J50/90

Abstract: A power transmission device is provided for transmitting power. The power transmission device includes a power transmitter including a plurality of coils, and a processor configured to wirelessly transmit power to a power reception device through at least one coil among the plurality of coils, identify a condition indicating a state in which a coil to transmit power related to charging of the power reception device is to be reconfigured, transmit a CSP to the power reception device, in response to identifying the condition, based on the predetermined condition, identify an SSP of at least one other coil adjacent to at least one coil, and wirelessly transmit power to the power reception device through a coil having a largest SSP among an SSP of the at least one coil and the identified SSP of the at least one other coil.

公开(公告)号：US11735936B2

公开(公告)日：2023-08-22

申请号：US18055271

申请日：2022-11-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongki Moon ,  Kihyun Kim ,  Jae-Il Seo ,  Jihong Kim ,  Yoon-Sun Park ,  Wooram Lee ,  Se-Young Jang ,  Jongchul Hong ,  Kyungha Koo

IPC: H02J7/00 ,  H02J50/70 ,  H02J50/10 ,  H02J7/02 ,  H05K7/20 ,  H05K5/00

CPC classification number: H02J7/0042 ,  H02J7/0044 ,  H02J7/02 ,  H02J50/10 ,  H02J50/70 ,  H05K5/0004 ,  H05K7/20 ,  H05K7/20172 ,  H05K7/20909

Abstract: According to various embodiments, a wireless charging device can comprise: a first housing, which includes a first surface facing a first direction and a second surface facing a second direction opposite to the first direction, and includes at least one hole; a second housing arranged on the second surface of the first housing in the second direction; a coil unit arranged between the first housing and the second housing and configured to transmit power to an external device; a shielding member arranged adjacent to the coil unit and including at least one hole; and a fan arranged adjacent to the coil unit and configured to rotate.

公开(公告)号：US11437118B2

公开(公告)日：2022-09-06

申请号：US17073682

申请日：2020-10-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungik Jang ,  Kihyun Kim ,  Soojin Ann ,  Chungki Lee ,  Dongguk Han

IPC: G11C29/00 ,  G11C29/38 ,  H01L25/065 ,  G11C29/44 ,  G11C11/4091 ,  G11C29/34 ,  G11C29/26

Abstract: A memory device includes: a plurality of sense amplifier circuits sensing a data bit in response to a parallel test signal from a plurality of banks; a plurality of comparators comparing the data bit from each of the plurality of sense amplifier circuits with a test bit; and a logic circuit receiving output signals of the plurality of comparators and outputting a test result, wherein each of the plurality of comparators receives the test bit, an evolved parallel bit test (PBT) signal, at least one test ignore signal, and a test pass signal, and compares the data bit and the test bit in response to the evolved parallel bit test (PBT) signal, the at least one logic state test setting signal, and the test pass signal, and passes a corresponding bank regardless of a test operation in response to the test pass signal.

公开(公告)号：US20220231544A1

公开(公告)日：2022-07-21

申请号：US17578007

申请日：2022-01-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Taehyeon YU ,  Kihyun Kim ,  Dongzo Kim ,  Jihye Kim ,  Yunjeong Noh ,  Keyic Son ,  Kyungmin Lee ,  Hyungkoo Chung ,  Mincheol Ha

IPC: H02J50/80 ,  H02J50/12 ,  H02J50/90

Abstract: According to various embodiments, there may be provided an electronic device comprising a coil, an inverter configured to provide power to the coil, a power providing circuit, a communication circuit, and a control circuit, wherein the control circuit is configured to control the power providing circuit to apply a first voltage to an input terminal of the inverter, the inverter outputting a first magnitude of power based on the application of the first voltage, control the power providing circuit to apply a second voltage lower than the first voltage to the input terminal of the inverter, based on the application of the first voltage being maintained for a specific time, identify, through the communication circuit, a first control error packet from the wireless power receiving device, while applying the second voltage, and identify a first value included in the first control error packet.

公开(公告)号：US11128169B2

公开(公告)日：2021-09-21

申请号：US16447113

申请日：2019-06-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kwangseob Kim ,  Keumsu Song ,  Changhak O ,  Dongzo Kim ,  Jihye Kim ,  Mincheol Ha ,  Kihyun Kim ,  Jiwon Kim ,  Yunjeong Noh ,  Kyungmin Lee ,  Hyungkoo Chung ,  Jongchul Hong ,  Yongsang Yun

IPC: H02J7/00 ,  H02J50/10 ,  H01F27/28 ,  H01F27/30

Abstract: An electronic device including a wireless charging coils, and an operating method thereof are provided. The electronic device includes a housing including a concave portion couplable to a protrusion of one or more external electronic devices, a first coil stored inside the housing, a second coil stored inside the housing, and disposed between the first coil and the concave portion, a power transmission circuit including a first connecting terminal electrically coupled to the first coil and a second connecting terminal electrically coupled to the second coil, and a control circuit. The control circuit configured to check a data packet received from the external electronic device which is in proximity to the electronic device, control to transmit first designated power to the external electronic device through the first coil wirelessly, and second designated power to the external electronic device through the second coil wirelessly by using the power transmission circuit.

公开(公告)号：US10763789B2

公开(公告)日：2020-09-01

申请号：US16740317

申请日：2020-01-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kihyun Kim ,  Daehyun Kang ,  Hyunchul Park ,  Kyuhwan An ,  Jaesik Jang

IPC: H03D7/14 ,  H04B1/18 ,  H03D7/12

Abstract: The disclosure relates to a communication method and system for converging a 5G communication system for supporting higher data rates beyond a 4G system with an IoT technology. The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail, security and safety-related services. The disclosure provides a mixer including a first impedance connected in parallel to a mixer output transformer and configured to remove a primary local frequency component generated at an output of the mixer, and a second impedance connected in parallel to the mixer output transformer and configured to remove a secondary local frequency component generated at the output of the mixer, wherein the first impedance operates as a series resonator in a primary local frequency band, and the second impedance operates as a parallel resonator in a secondary local frequency band.

公开(公告)号：US10256250B2

公开(公告)日：2019-04-09

申请号：US15708266

申请日：2017-09-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kihyun Kim ,  Chadong Yeo

IPC: H01L27/11582 ,  H01L27/11524 ,  H01L27/11556 ,  H01L27/1157 ,  H01L27/11548 ,  H01L27/11575 ,  H01L27/11578

Abstract: A three-dimensional semiconductor memory device is provided. A stacked structure is formed on a substrate. The stacked structure includes conductive patterns vertically stacked on the substrate. A selection structure including selection conductive patterns is stacked on the stacked structure. A channel structure penetrates the selection structure and the stacked structure to connect to the substrate. An upper interconnection line crosses the selection structure. A conductive pad is disposed on the channel structure to electrically connect the upper interconnection line to the channel structure. A bottom surface of the conductive pad is positioned below a top surface of the uppermost selection conductive pattern of the selection conductive patterns.

公开(公告)号：US10236549B2

公开(公告)日：2019-03-19

申请号：US14953520

申请日：2015-11-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Taeyoung Kim ,  Hyukjae Kwon ,  Kihyun Kim ,  Dongjoon Lee ,  Hyunpyo Lee ,  Heungchan Lee ,  Dongmin Im

IPC: H01M12/08 ,  H01M4/86 ,  H01M4/134 ,  H01M4/38

Abstract: A lithium air battery includes: a composite cathode including a porous material and a first electrolyte; an anode including lithium metal, and an oxygen blocking layer disposed between the composite cathode and the anode, wherein a weight ratio of the porous material and the first electrolyte in the composite cathode is less than about 1:3. Also a method of manufacturing the lithium air battery.

公开(公告)号：US10128669B2

公开(公告)日：2018-11-13

申请号：US15138316

申请日：2016-04-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyungwoo Lim ,  Kihyun Kim ,  Seho Park ,  Hyunsup Park ,  Wooram Lee

IPC: H02J7/00 ,  H02J50/10 ,  H02J7/02

Abstract: An electronic device comprising: a battery having a plurality of cells that are connected in series; a circuit electrically connected to the battery; and a conductive pattern electrically connected to the circuit, wherein the circuit is configured to: receive a first signal wirelessly from a first external device by using the conductive pattern, charge at least some of the plurality of cells in the battery by using a power of the first signal, generate a second signal by changing a first voltage, that is produced by at least two of the plurality of cells in the battery, into a second voltage that is lower than the first voltage, and wirelessly transmit the second signal to a second external device, the second signal being transmitted by using the conductive pattern.

公开(公告)号：US10037888B2

公开(公告)日：2018-07-31

申请号：US15093933

申请日：2016-04-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Byoungkeun Son ,  Hansoo Kim ,  Jinho Kim ,  Kihyun Kim

IPC: H01L29/788 ,  H01L21/28 ,  H01L29/66 ,  H01L29/423 ,  H01L29/78 ,  H01L27/11582 ,  H01L27/11551 ,  H01L27/11556 ,  H01L27/11553 ,  H01L27/11519

CPC classification number: H01L21/28 ,  H01L27/11519 ,  H01L27/11551 ,  H01L27/11553 ,  H01L27/11556 ,  H01L27/11582 ,  H01L29/42324 ,  H01L29/42364 ,  H01L29/66666 ,  H01L29/66825 ,  H01L29/7827 ,  H01L29/7841 ,  H01L29/788 ,  H01L29/7883 ,  H01L29/7889

Abstract: Provided are three-dimensional nonvolatile memory devices and methods of fabricating the same. The memory devices include semiconductor pillars penetrating interlayer insulating layers and conductive layers alternately stacked on a substrate and electrically connected to the substrate and floating gates selectively interposed between the semiconductor pillars and the conductive layers. The floating gates are formed in recesses in the conductive layers.